<template>
  <div>
    <h1>app根组件</h1>
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'

export default defineComponent({
  setup() {}
})
</script>

<style scoped lang="scss">
.box {
  width: 100px;
  h1 {
    color: white;
  }
}
</style>
